.my-input-number {
    width: 142px;
    border-radius: 4px;
    border: 1px solid #dcdfe6;
    display: inline-flex;
    user-select: none;
    box-sizing: border-box;
  }
  .my-input-number .my-input {
    position: relative;
    font-size: 14px;
    line-height: 38px;
    width: 60px;
    box-sizing: border-box;
    border-left: 1px solid #dcdfe6;
    border-right: 1px solid #dcdfe6;
    text-align: center;
  }
  .my-input-number .decrease,
  .my-input-number .increase {
    width: 40px;
    height: 38px;
    text-align: center;
    background: #f5f7fa;
    color: #606266;
    cursor: pointer;
    font-size: 13px;
    appearance: none;
    border: none;
  }
  .my-input-number .disabled{
    color: #c0c4cc;
    cursor: not-allowed;
  }